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WO2016124838A1 - Method and device for filling a hydrogen tank - Google Patents

Method and device for filling a hydrogen tank Download PDF

Info

Publication number
WO2016124838A1
WO2016124838A1 PCT/FR2016/050178 FR2016050178W WO2016124838A1 WO 2016124838 A1 WO2016124838 A1 WO 2016124838A1 FR 2016050178 W FR2016050178 W FR 2016050178W WO 2016124838 A1 WO2016124838 A1 WO 2016124838A1
Authority
WO
WIPO (PCT)
Prior art keywords
storage
gas
source
pressure
reservoir
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/FR2016/050178
Other languages
French (fr)
Inventor
Baptiste RAVINEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to CA2975581A priority Critical patent/CA2975581A1/en
Priority to JP2017538675A priority patent/JP6692824B2/en
Priority to CN201680006714.0A priority patent/CN107208840B/en
Priority to EP16707847.6A priority patent/EP3254015A1/en
Priority to US15/548,989 priority patent/US10451219B2/en
Publication of WO2016124838A1 publication Critical patent/WO2016124838A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/002—Automated filling apparatus
    • F17C5/007—Automated filling apparatus for individual gas tanks or containers, e.g. in vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • F17C5/04—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases requiring the use of refrigeration, e.g. filling with helium or hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/2033—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature details of the sensing element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0326—Valves electrically actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/036—Very high pressure, i.e. above 80 bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0157—Compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0302—Heat exchange with the fluid by heating
    • F17C2227/0309—Heat exchange with the fluid by heating using another fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0337—Heat exchange with the fluid by cooling
    • F17C2227/0341—Heat exchange with the fluid by cooling using another fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0369—Localisation of heat exchange in or on a vessel
    • F17C2227/0372—Localisation of heat exchange in or on a vessel in the gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0388—Localisation of heat exchange separate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/032—Control means using computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F17C2250/0434—Pressure difference
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0491—Parameters measured at or inside the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0631—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0636—Flow or movement of content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/07—Actions triggered by measured parameters
    • F17C2250/072—Action when predefined value is reached
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/025—Reducing transfer time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/065—Fluid distribution for refuelling vehicle fuel tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • F17C2270/0139—Fuel stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45—Hydrogen technologies in production processes

Definitions

  • the present invention relates to a method and a device for filling a hydrogen tank.
  • the invention relates more particularly to a method of filling a hydrogen gas tank under pressure from at least one source storage containing hydrogen gas under pressure at a first predetermined temperature and at a predetermined pressure greater than pressure in the tank to be filled, wherein hydrogen is transferred from the source storage to the tank by pressure equalization via a filling circuit having an upstream end connected to the source storage and a downstream end connected to the tank, and wherein, the at least one source storage is in heat exchange with a gas heating member stored in the source storage.
  • the filling of fuel tanks with hydrogen gas is generally carried out via one and preferably several pressure balances between one or more source storages and the reservoir to be filled.
  • a well-known solution uses several source storages connected in parallel and which are used successively to maximize the pressure differences between the source and the reservoir to be filled (“cascading" filling).
  • a compressor may also be provided in addition to supplement or complete the filling if necessary.
  • EP2175187A2 describes a filling system in which the temperature of the gas is controlled (lowered) before entering the tank.
  • the document WO201 1026551 A1 describes a filling system in which the temperature of the source storage is maintained at a determined low level.
  • An object of the present invention is to improve the filling efficiency and / or to overcome all or part of the disadvantages of the prior art noted above.
  • the filling method according to the invention which moreover conforms to the generic definition given in the preamble above, is essentially characterized in that during at least a part of the hydrogen transfer of the source storage to the reservoir, the gas contained in the source storage is heated to a second predetermined temperature which is higher than the first temperature.
  • the at least one storage source is reheated to increase the pressure of the gas in the storage so as to increase the pressure differential compared to the tank to fill.
  • this reheating is carried out when the pressure in the source storage falls below a determined low threshold and / or when the pressure in the reservoir during filling reaches a determined high threshold.
  • embodiments of the invention may include one or more of the following features:
  • the heating of the gas contained in the source storage increases its temperature by a determined value of between 10 ° C. and 60 ° C. and preferably between 20 ° C. and 40 ° C.,
  • the gas contained in the source storage is heated via the reheating member
  • the gas contained in the source storage is reheated only when the pressure differential between the gas in the source storage and, on the one hand, on the other hand, the gas in the reservoir is less than said determined first differential,
  • the first differential determined is between 50 and 250 bar and preferably between 100 and 200 bar
  • the cooling of the gas contained in the source storage decreases its temperature from 10 ° C. to 60 ° C. and preferably from 20 ° C. to 40 ° C.
  • the gas in the source storage has an initial pressure before filling and before reheating of between 150 and 950 bar and in particular between 250 and 850 bar,
  • the invention also relates to a device for filling a pressurized hydrogen gas tank comprising at least one source storage containing hydrogen gas under pressure at a first predetermined temperature and at a predetermined pressure, a gas heating member. stored in the source storage, a filling circuit having an upstream end connected to the source storage and a downstream end removably connectable to the tank to be filled, at least one regulating member of the pressure and / or the flow of gas admitted to circulate in the circuit from the source storage to the tank, an electronic data acquisition, storage and processing member connected to the regulating member, also connected to the gas heating member stored in the source storage and to a pressure sensor in the tank, the electronic data acquisition, storage and processing element being configured for controlling the rate and / or pressure of the gas in the filling circuit, the electronic data acquisition, storage and processing member being configured to control the heating of the gas contained in the source storage at a second predetermined temperature which is greater than the first temperature during at least a portion of the hydrogen transfer from the source storage to the reservoir.
  • the source storage containing
  • the invention may also relate to any alternative device or method comprising any combination of the above or below features.
  • FIG. 1 represents a schematic and partial view illustrating an example of a filling device that can implement the invention
  • FIG. 2 represents comparative curves of variation of the pressure within source storages and reservoirs during refilling with and without the implementation of the invention.
  • Figure 1 shows schematically and partially an example of filling station 1 tanks of hydrogen gas under pressure (eg vehicle tanks).
  • the station conventionally comprises at least one source storage 2 containing hydrogen gas under pressure, for example at a pressure of between 150 bar and 1000 bar, in particular 700 to 900 bar.
  • the storage sources 2 are for example at room temperature or maintained at a predetermined temperature (for example at 15 ° C or 0 ° C).
  • the station further comprises a filling circuit 3 having an upstream end connected to the storage (s) 2 source and a downstream end removably connectable to the tank 1 to fill.
  • the filling circuit 3 comprises, for example, an isolation valve 4 and a device 5 for regulating the pressure and / or the flow of gas admitted to circulate in the circuit 3 from the source storage 2 to the tank 1.
  • the regulating member 5 comprises for example a valve, controlled or not, a pressure regulator or any other appropriate member for controlling the gas flow or the pressure rise in the tank 1 to be filled.
  • the station further comprises a pressure sensor 8 in the reservoir, located for example in the filling circuit 3 upstream of the tank 1.
  • this sensor 8 can be replaced or supplemented by a pressure sensor in the tank 1, around the tank and / or by software modeling calculating this pressure.
  • the filling circuit 3 may further comprise a heat exchanger 9 in heat exchange with the gas downstream of the member 5 to optionally regulate the temperature of the gas (to cool the gas in particular).
  • the station preferably further comprises an electronic data acquisition, storage and processing member 7, for example a PLC, a computer, a computer or any other microprocessor device or the like.
  • an electronic data acquisition, storage and processing member 7 for example a PLC, a computer, a computer or any other microprocessor device or the like.
  • the electronic device 7 for acquisition, storage and data processing is connected to the regulating member 5 and the gas reheating member 6 stored in the source storage 2 to control / control.
  • the electronic member 7 for storage acquisition and data processing is connected to the sensor 8 of the pressure in the tank 1 to collect the signal of the latter.
  • the electronic device 7 for acquiring, storing and processing data can also be connected to a sensor for measuring the pressure and / or the temperature in the source storage 2 or at its outlet.
  • the station further comprises a member 6 for heating the gas stored in the storage 2 source.
  • the electronic device 7 for acquiring, storing and processing data is configured to control the flow rate and / or the pressure of the gas in the filling circuit so as to optimize the filling (determined time, quantity transferred, without generate a temperature rise above a prescribed threshold, for example determined by the nature of the tank 1).
  • the electronic device 7 for acquiring, storing and processing data is also configured to control the heating of the gas contained in the source storage 2 at a determined temperature which is greater than the current temperature for at least part of the hydrogen transfer from the source storage 2 to the tank 1.
  • this heating is carried out at the end of the transfer of gas between the source storage 2 and the tank 1.
  • the gas contained in the source storage 2 is heated via the reheating member 6.
  • this reheating is performed only when the pressure differential between the gas in the source storage 2 on the one hand and the gas in the reservoir 1 on the other hand is lower than said determined first differential.
  • This first differential determined is for example between 50 and 250 bar and preferably between 100 and 200 bar.
  • the heating of the gas contained in the source storage 2 may be provided to increase its temperature by a determined value, for example between 10 ° C. and 60 ° C. and preferably between 20 ° C. and 40 ° C., in particular 30 ° C.
  • This reheating makes it possible to increase the pressure of the gas in the source storage 2 and thus makes it possible to maximize the pressure differential between the source 2 and the receiver tank 1.
  • the pressure differential can be increased, maintained or, failing that, its decrease can be minimized as long as possible to improve the filling efficiency.
  • the final pressure in the source storage 2 (when warmed up) will be lower than that obtained in the processes of the prior art (without warming). That is to say that the tank 1 will be better filled (better filling efficiency for a given time) and the source storage 2 will be better used (better emptied).
  • the gas can be cooled (for example via an exchanger 9 downstream of the regulating member 5 and / or via a heat exchange directly at the storage 2 source).
  • This well-known cooling helps to minimize heating in the tank 1, especially at the beginning of filling when the expansion of the hydrogen produces a heating surplus effect Joule Thomson in addition to the compression effect
  • the tank 1 At the end of filling the tank 1 can tolerate a relatively hotter gas.
  • the invention is particularly advantageous in the case where a compressor is used in the filling station because the need to use the compressor can be reduced.
  • heating of a coolant for cooling the gas can optionally be used to heat the storage 2 source.
  • the method is particularly advantageous for relatively long fills that is to say having durations of between ten minutes and sixty minutes.
  • the method can also be applied to fast fills (between two and ten minutes for example).
  • FIG. 2 schematically illustrates the effects of the invention with respect to the prior art.
  • the curves in long and short discontinuous lines represent the pressure variation in the filled tank respectively without and with the reheating according to the invention.
  • the source storage gas is cooled or no thermal action is performed on it. It may for example have been pre-cooled at a temperature of -30 ° C for example.
  • the filling is initiated, the pressure in the source storage 2 decreases and that in the target tank 1 increases.
  • the Gas heating in the storage 2 source can be realized.
  • the reheating may consist in achieving an increase of + 30 ° C with respect to the initial temperature, see with respect to the ambient temperature.
  • the gas can be heated up to 70 ° C for example.
  • the inventors are furthermore demonstrated that the solution described above can have advantages in terms of energy balance.
  • reheating can reduce the use of a compressor.
  • the economic balance is positive when the duration of use of a compressor reaches a certain value (for example 120 seconds).
  • the cooling block 9 can be recovered.
  • other heat sources can be used within the filling station (compressors ).
  • the invention makes it possible to insert 0.3 kg of hydrogen in addition to the previous solution without reheating. This corresponds to approximately 25 to 30 seconds of compressor operation saved.
  • the compressor could be started off-line (not from the beginning of filling).
  • the useful operating time of the compressor initially 1, 12 min could be reduced to 0.72 min for example.
  • the invention makes it possible, for example, to reduce the size and the power of the compressor required.
  • the energetic gains of the invention are more or less important.
  • the invention can be applied to any other type of gas than hydrogen.
  • the invention can be applied to an installation (station) using several storage sources 2 sources connected in parallel and used successively or simultaneously).

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  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A method for filling a tank (1) with pressurised gaseous hydrogen from at least one source storage (2) containing pressurised gaseous hydrogen at a first defined temperature and at a defined pressure higher than the pressure in the tank (1) to be filled, in which hydrogen is transferred from the source storage (2) to the tank (1) by pressure balancing via a filling circuit (3) having an upstream end linked to the source storage (2) and a downstream end linked to the tank (1), and in which the at least one source storage (2) exchanges heat with a member (6) for heating the gas stored in the source storage (2), during at least a part of the transfer of hydrogen from the source storage (2) to the tank (1), the gas contained in the source storage (2) being heated to a second defined temperature that is higher than the first temperature.

Description

Procédé et un dispositif de remplissage de réservoir d'hydrogène  Method and apparatus for filling a hydrogen tank

La présente invention concerne un procédé et un dispositif de remplissage de réservoir d'hydrogène. The present invention relates to a method and a device for filling a hydrogen tank.

L'invention concerne plus particulièrement un procédé de remplissage d'un réservoir d'hydrogène gazeux sous pression à partir d'au moins un stockage source contenant de l'hydrogène gazeux sous pression à une première température déterminée et à une pression déterminée supérieure à la pression dans le réservoir à remplir, dans lequel de l'hydrogène est transféré du stockage source vers le réservoir par équilibrage de pression via un circuit de remplissage ayant une extrémité amont reliée au stockage source et une extrémité aval reliée au réservoir, et dans lequel, le au moins un stockage source est en échange thermique avec un organe de réchauffage du gaz stocké dans le stockage source.  The invention relates more particularly to a method of filling a hydrogen gas tank under pressure from at least one source storage containing hydrogen gas under pressure at a first predetermined temperature and at a predetermined pressure greater than pressure in the tank to be filled, wherein hydrogen is transferred from the source storage to the tank by pressure equalization via a filling circuit having an upstream end connected to the source storage and a downstream end connected to the tank, and wherein, the at least one source storage is in heat exchange with a gas heating member stored in the source storage.

Le remplissage de réservoirs de carburant avec de l'hydrogène gazeux est généralement réalisé via un et de préférence plusieurs équilibrages de pression entre un ou des stockages sources et le réservoir à remplir. Une solution bien connue utilise plusieurs stockages sources raccordés en parallèle et qui sont utilisés successivement pour maximiser les écarts de pression entre la source et de réservoir à remplir (remplissage dit « en cascade »).  The filling of fuel tanks with hydrogen gas is generally carried out via one and preferably several pressure balances between one or more source storages and the reservoir to be filled. A well-known solution uses several source storages connected in parallel and which are used successively to maximize the pressure differences between the source and the reservoir to be filled ("cascading" filling).

Un compresseur peut être également prévu en appoint pour suppléer ou compléter le cas échéant le remplissage.  A compressor may also be provided in addition to supplement or complete the filling if necessary.

Plusieurs techniques sont connues pour optimiser la quantité de gaz transférée dans le temps de remplissage imparti.  Several techniques are known to optimize the amount of gas transferred in the filling time.

Ainsi, il est connu de contrôler le débit de gaz transféré pour minimiser échauffement produit dans le réservoir rempli. En réduisant le débit de transfert de gaz on limite les risques d'échauffement trop important dans le réservoir mais on augmente le temps de remplissage.  Thus, it is known to control the flow of transferred gas to minimize heating produced in the filled tank. Reducing the gas transfer rate limits the risk of overheating in the tank but increases the filling time.

Une autre solution connue consiste à refroidir le gaz avant son entrée dans le réservoir pour minimiser/contrôler l'élévation de la température dans le réservoir. Cette solution peut cependant nécessiter une forte ressource énergétique. Le document EP2175187A2 décrit un système de remplissage dans lequel la température du gaz est contrôlée (abaissée) avant son entrée dans le réservoir. Le document WO201 1026551 A1 décrit quant à lui un système de remplissage dans lequel la température des stockages source est maintenue à un niveau bas déterminé. Another known solution is to cool the gas before entering the tank to minimize / control the rise in temperature in the tank. This solution may however require a strong energy resource. EP2175187A2 describes a filling system in which the temperature of the gas is controlled (lowered) before entering the tank. The document WO201 1026551 A1 describes a filling system in which the temperature of the source storage is maintained at a determined low level.

Un but de la présente invention est d'améliorer l'efficacité du remplissage et/ou de pallier tout ou partie des inconvénients de l'art antérieur relevés ci- dessus.  An object of the present invention is to improve the filling efficiency and / or to overcome all or part of the disadvantages of the prior art noted above.

A cette fin, le procédé de remplissage selon l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que, pendant au moins une partie du transfert d'hydrogène du stockage source vers le réservoir, le gaz contenu dans le stockage source est réchauffé à une seconde température déterminée qui est supérieure à la première température.  For this purpose, the filling method according to the invention, which moreover conforms to the generic definition given in the preamble above, is essentially characterized in that during at least a part of the hydrogen transfer of the source storage to the reservoir, the gas contained in the source storage is heated to a second predetermined temperature which is higher than the first temperature.

C'est-à-dire que, pendant le remplissage et/ou préalablement à au moins une partie du remplissage, la au moins une source de stockage est réchauffée pour augmenter la pression du gaz dans le stockage de façon à augmenter le différentiel de pression par rapport au réservoir à remplir.  That is, during filling and / or prior to at least a portion of the filling, the at least one storage source is reheated to increase the pressure of the gas in the storage so as to increase the pressure differential compared to the tank to fill.

De préférence, ce réchauffage est réalisé lorsque la pression dans le stockage source descend en dessous d'un seuil bas déterminé et/ou lorsque la pression au sein du réservoir en cours de remplissage atteint un seuil haut déterminé.  Preferably, this reheating is carried out when the pressure in the source storage falls below a determined low threshold and / or when the pressure in the reservoir during filling reaches a determined high threshold.

Par ailleurs, des modes de réalisation de l'invention peuvent comporter l'une ou plusieurs des caractéristiques suivantes :  Furthermore, embodiments of the invention may include one or more of the following features:

- le réchauffage du gaz contenu dans le stockage source augmente sa température d'une valeur déterminée comprise entre 10°C à 60°C et de préférence entre 20°C à 40°C,  the heating of the gas contained in the source storage increases its temperature by a determined value of between 10 ° C. and 60 ° C. and preferably between 20 ° C. and 40 ° C.,

- pendant le transfert de l'hydrogène du stockage source vers le réservoir, lorsque le différentiel de pression entre d'une part le gaz dans le stockage source et, d'autre part, le gaz dans le réservoir, est inférieur à un premier différentiel déterminé, le gaz contenu dans le stockage source est réchauffé via l'organe de réchauffage,  during the transfer of hydrogen from the source storage to the reservoir, when the pressure difference between the gas in the source storage and the gas in the reservoir is lower than a first differential determined, the gas contained in the source storage is heated via the reheating member,

- le gaz contenu dans le stockage source est réchauffé uniquement lorsque le différentiel de pression entre d'une part le gaz dans le stockage source et, d'autre part, le gaz dans le réservoir, est inférieur audit premier différentiel déterminé, the gas contained in the source storage is reheated only when the pressure differential between the gas in the source storage and, on the one hand, on the other hand, the gas in the reservoir is less than said determined first differential,

- le premier différentiel déterminé est compris entre 50 et 250 bar et de préférence compris entre 100 et 200 bar,  the first differential determined is between 50 and 250 bar and preferably between 100 and 200 bar,

- pendant le transfert de l'hydrogène du stockage source vers le réservoir, lorsque le différentiel de pression entre d'une part le gaz dans le stockage source et, d'autre part, le gaz dans le réservoir, est supérieur à un second différentiel déterminé, le gaz contenu ou soutiré du stockage source est refroidi,  during the transfer of hydrogen from the source storage to the reservoir, when the pressure difference between the gas in the source storage and the gas in the reservoir is greater than a second differential determined, the gas contained or withdrawn from the source storage is cooled,

- le refroidissement du gaz contenu dans le stockage source diminue sa température de 10°C à 60°C et de préférence de 20°C à 40°C,  the cooling of the gas contained in the source storage decreases its temperature from 10 ° C. to 60 ° C. and preferably from 20 ° C. to 40 ° C.,

- le gaz dans le stockage source a une pression initiale avant remplissage et avant réchauffage comprise entre 150 et 950 bar et notamment entre 250 et 850bar,  the gas in the source storage has an initial pressure before filling and before reheating of between 150 and 950 bar and in particular between 250 and 850 bar,

L'invention concerne également un dispositif de remplissage d'un réservoir d'hydrogène gazeux sous pression comprenant au moins un stockage source contenant de l'hydrogène gazeux sous pression à une première température déterminée et à une pression déterminée, un organe de réchauffage du gaz stocké dans le stockage source, un circuit de remplissage ayant une extrémité amont reliée au stockage source et une extrémité aval raccordable de façon amovible au réservoir à remplir, au moins un organe de régulation de la pression et/ou du débit de gaz admis à circuler dans le circuit depuis le stockage source vers le réservoir, un organe électronique d'acquisition, de stockage et de traitement de données relié à l'organe de régulation, relié également à l'organe de réchauffage du gaz stocké dans le stockage source et à un capteur de la pression dans le réservoir, l'organe électronique d'acquisition, de stockage et de traitement de données étant configuré pour contrôler le débit et/ou la pression du gaz dans le circuit de remplissage, l'organe électronique d'acquisition, de stockage et de traitement de données étant configuré pour commander le réchauffage du gaz contenu dans le stockage source à une seconde température déterminée qui est supérieure à la première température pendant au moins une partie du transfert d'hydrogène du stockage source vers le réservoir. Selon une particularité possible, l'organe de réchauffage comprend un échangeur de chaleur et/ou un circuit de fluide caloporteur en échange thermique avec le réservoir source. The invention also relates to a device for filling a pressurized hydrogen gas tank comprising at least one source storage containing hydrogen gas under pressure at a first predetermined temperature and at a predetermined pressure, a gas heating member. stored in the source storage, a filling circuit having an upstream end connected to the source storage and a downstream end removably connectable to the tank to be filled, at least one regulating member of the pressure and / or the flow of gas admitted to circulate in the circuit from the source storage to the tank, an electronic data acquisition, storage and processing member connected to the regulating member, also connected to the gas heating member stored in the source storage and to a pressure sensor in the tank, the electronic data acquisition, storage and processing element being configured for controlling the rate and / or pressure of the gas in the filling circuit, the electronic data acquisition, storage and processing member being configured to control the heating of the gas contained in the source storage at a second predetermined temperature which is greater than the first temperature during at least a portion of the hydrogen transfer from the source storage to the reservoir. According to one possible feature, the reheating member comprises a heat exchanger and / or a heat transfer fluid circuit in heat exchange with the source reservoir.

L'invention peut concerner également tout dispositif ou procédé alternatif comprenant toute combinaison des caractéristiques ci-dessus ou ci-dessous.  The invention may also relate to any alternative device or method comprising any combination of the above or below features.

D'autres particularités et avantages apparaîtront à la lecture de la description ci-après, faite en référence aux figures dans lesquelles :  Other particularities and advantages will appear on reading the following description, made with reference to the figures in which:

- la figure 1 représente une vue schématique et partielle illustrant un exemple de dispositif de remplissage pouvant mettre en œuvre l'invention,  FIG. 1 represents a schematic and partial view illustrating an example of a filling device that can implement the invention,

- la figure 2 représente des courbes comparatives de variation de la pression au sein de stockages sources et de réservoirs lors de remplissages avec et sans la mise en œuvre de l'invention.  FIG. 2 represents comparative curves of variation of the pressure within source storages and reservoirs during refilling with and without the implementation of the invention.

La figure 1 représente schématiquement et partiellement un exemple de station de remplissage de réservoirs 1 d'hydrogène gazeux sous pression (par exemple des réservoirs de véhicules).  Figure 1 shows schematically and partially an example of filling station 1 tanks of hydrogen gas under pressure (eg vehicle tanks).

La station comprend classiquement au moins un stockage 2 source contenant de l'hydrogène gazeux sous pression, par exemple à une pression comprise entre 150bar et 1000bar, notamment 700 à 900 bar. Les stockages 2 sources sont par exemple à la température ambiante ou maintenus à une température déterminée (par exemple à 15°C ou 0°C).  The station conventionally comprises at least one source storage 2 containing hydrogen gas under pressure, for example at a pressure of between 150 bar and 1000 bar, in particular 700 to 900 bar. The storage sources 2 are for example at room temperature or maintained at a predetermined temperature (for example at 15 ° C or 0 ° C).

La station comprend en outre un circuit 3 de remplissage ayant une extrémité amont reliée au(x) stockage(s) 2 source et une extrémité aval raccordable de façon amovible au réservoir 1 à remplir. Le circuit 3 de remplissage comprend par exemple une vanne 4 d'isolation et un organe 5 de régulation de la pression et/ou du débit de gaz admis à circuler dans le circuit 3 depuis le stockage 2 source vers le réservoir 1 . L'organe 5 de régulation comprend par exemple une vanne, pilotée ou non, un détendeur de pression ou tout autre organe approprié pour contrôler le débit de gaz ou la montée en pression dans le réservoir 1 à remplir.  The station further comprises a filling circuit 3 having an upstream end connected to the storage (s) 2 source and a downstream end removably connectable to the tank 1 to fill. The filling circuit 3 comprises, for example, an isolation valve 4 and a device 5 for regulating the pressure and / or the flow of gas admitted to circulate in the circuit 3 from the source storage 2 to the tank 1. The regulating member 5 comprises for example a valve, controlled or not, a pressure regulator or any other appropriate member for controlling the gas flow or the pressure rise in the tank 1 to be filled.

La station comprend en outre un capteur 8 de pression dans le réservoir, situé par exemple dans le circuit 3 de remplissage en amont du réservoir 1 . Bien entendu ce capteur 8 peut être remplacé ou complété par un capteur de pression dans le réservoir 1 , autour du réservoir et/ou par une modélisation logicielle calculant cette pression. The station further comprises a pressure sensor 8 in the reservoir, located for example in the filling circuit 3 upstream of the tank 1. Of course this sensor 8 can be replaced or supplemented by a pressure sensor in the tank 1, around the tank and / or by software modeling calculating this pressure.

Comme illustré schématiquement, le circuit 3 de remplissage peut comporter en outre un échangeur 9 de chaleur en échange thermique avec le gaz en aval de l'organe 5 pour le cas échéant réguler la température du gaz (pour refroidir le gaz notamment).  As illustrated schematically, the filling circuit 3 may further comprise a heat exchanger 9 in heat exchange with the gas downstream of the member 5 to optionally regulate the temperature of the gas (to cool the gas in particular).

La station comprend en outre de préférence un organe 7 électronique d'acquisition, de stockage et de traitement de données, par exemple un automate, un calculateur, un ordinateur ou tout autre dispositif à microprocesseur ou analogue.  The station preferably further comprises an electronic data acquisition, storage and processing member 7, for example a PLC, a computer, a computer or any other microprocessor device or the like.

L'organe 7 électronique d'acquisition, de stockage et de traitement de données est relié à l'organe 5 de régulation et à l'organe 6 de réchauffage du gaz stocké dans le stockage 2 source pour les commander/piloter. De plus, l'organe 7 électronique d'acquisition de stockage et de traitement de données est relié au capteur 8 de la pression dans le réservoir 1 pour recueillir le signal de ce dernier. L'organe 7 électronique d'acquisition, de stockage et de traitement de données peut être relié également à un capteur de mesure de la pression et/ou de la température dans le stockage 2 source ou à sa sortie.  The electronic device 7 for acquisition, storage and data processing is connected to the regulating member 5 and the gas reheating member 6 stored in the source storage 2 to control / control. In addition, the electronic member 7 for storage acquisition and data processing is connected to the sensor 8 of the pressure in the tank 1 to collect the signal of the latter. The electronic device 7 for acquiring, storing and processing data can also be connected to a sensor for measuring the pressure and / or the temperature in the source storage 2 or at its outlet.

La station comprend en outre un organe 6 de réchauffage du gaz stocké dans le stockage 2 source.  The station further comprises a member 6 for heating the gas stored in the storage 2 source.

Classiquement, l'organe 7 électronique d'acquisition, de stockage et de traitement de données est configuré pour contrôler le débit et/ou la pression du gaz dans le circuit de remplissage de façon à optimiser le remplissage (durée déterminée, quantité transférée, sans générer un échauffement au-delà d'un seuil prescrit, par exemple déterminé par la nature du réservoir 1 ).  Conventionally, the electronic device 7 for acquiring, storing and processing data is configured to control the flow rate and / or the pressure of the gas in the filling circuit so as to optimize the filling (determined time, quantity transferred, without generate a temperature rise above a prescribed threshold, for example determined by the nature of the tank 1).

Selon une caractéristique avantageuse, l'organe 7 électronique d'acquisition, de stockage et de traitement de données est configuré également pour commander le réchauffage du gaz contenu dans le stockage 2 source à une température déterminée qui est supérieure à la température courante pendant au moins une partie du transfert d'hydrogène du stockage 2 source vers le réservoir 1 .  According to an advantageous characteristic, the electronic device 7 for acquiring, storing and processing data is also configured to control the heating of the gas contained in the source storage 2 at a determined temperature which is greater than the current temperature for at least part of the hydrogen transfer from the source storage 2 to the tank 1.

De préférence, ce réchauffement est réalisé en fin de transfert de gaz entre le stockage 2 source et le réservoir 1 . Par exemple, pendant un remplissage, lorsque (ou juste avant) que le différentiel de pression entre d'une part le gaz dans le stockage 2 source et, d'autre part, le gaz dans le réservoir 1 , n'atteigne une valeur inférieure à un premier différentiel déterminé, le gaz contenu dans le stockage 2 source est réchauffé via l'organe 6 de réchauffage. Preferably, this heating is carried out at the end of the transfer of gas between the source storage 2 and the tank 1. For example, during a filling, when (or just before) the pressure differential between the gas in the source storage 2 on the one hand and the gas in the tank 1 on the other hand does not reach a lower value at a determined first differential, the gas contained in the source storage 2 is heated via the reheating member 6.

De préférence, ce réchauffage est réalisé uniquement lorsque le différentiel de pression entre d'une part le gaz dans le stockage 2 source et, d'autre part, le gaz dans le réservoir 1 , est inférieur audit premier différentiel déterminé.  Preferably, this reheating is performed only when the pressure differential between the gas in the source storage 2 on the one hand and the gas in the reservoir 1 on the other hand is lower than said determined first differential.

Ce premier différentiel déterminé est compris par exemple entre 50 et 250 bar et de préférence compris entre 100 et 200bar.  This first differential determined is for example between 50 and 250 bar and preferably between 100 and 200 bar.

Le réchauffage du gaz contenu dans le stockage 2 source peut être prévu pour augmenter sa température d'une valeur déterminée par exemple comprise entre 10°C à 60°C et de préférence entre 20°C à 40°C, notamment 30°C.  The heating of the gas contained in the source storage 2 may be provided to increase its temperature by a determined value, for example between 10 ° C. and 60 ° C. and preferably between 20 ° C. and 40 ° C., in particular 30 ° C.

Ce réchauffage permet d'augmenter la pression du gaz dans le stockage 2 source et permet ainsi de maximiser le différentiel de pression entre la source 2 et le réservoir 1 receveur.  This reheating makes it possible to increase the pressure of the gas in the source storage 2 and thus makes it possible to maximize the pressure differential between the source 2 and the receiver tank 1.

En effet, à mesure que la différence de pression entre le stockage 2 source et le réservoir 1 se réduit (la pression dans le réservoir source diminue au profit du réservoir 1 ), les inventeurs ont déterminé qu'il était avantageux de réchauffer le gaz dans le stockage 2 source.  Indeed, as the pressure difference between the source storage 2 and the reservoir 1 is reduced (the pressure in the source reservoir decreases in favor of the tank 1), the inventors have determined that it is advantageous to heat the gas in 2 source storage.

Ainsi, le différentiel de pression peut-être augmenté, maintenue ou, à défaut sa diminution peut être minimisée aussi longtemps que possible pour améliorer l'efficacité du remplissage.  Thus, the pressure differential can be increased, maintained or, failing that, its decrease can be minimized as long as possible to improve the filling efficiency.

La pression finale dans le stockage 2 source (à son échauffement près) sera inférieure à celle obtenue dans les procédés de l'art antérieur (sans réchauffement). C'est-à-dire que le réservoir 1 sera mieux rempli (meilleur efficacité de remplissage pour un temps donné) et le stockage source 2 sera mieux utilisé (mieux vidé).  The final pressure in the source storage 2 (when warmed up) will be lower than that obtained in the processes of the prior art (without warming). That is to say that the tank 1 will be better filled (better filling efficiency for a given time) and the source storage 2 will be better used (better emptied).

Bien entendu, en début de remplissage, notamment lorsque le différentiel de pression est important (supérieur 200 bar par exemple), le gaz peut être refroidi (par exemple via un échangeur 9 en aval de l'organe 5 de régulation et/ou via un échange thermique directement au niveau du stockage 2 source). Ce refroidissement bien connu permet de minimiser échauffement dans le réservoir 1 , notamment en début de remplissage lorsque la détente de l'hydrogène produit un surplus d'échauffement par effet en Joule Thomson en plus de l'effet de compression Of course, at the beginning of filling, especially when the pressure differential is large (greater than 200 bar for example), the gas can be cooled (for example via an exchanger 9 downstream of the regulating member 5 and / or via a heat exchange directly at the storage 2 source). This well-known cooling helps to minimize heating in the tank 1, especially at the beginning of filling when the expansion of the hydrogen produces a heating surplus effect Joule Thomson in addition to the compression effect

En fin de remplissage le réservoir 1 peut tolérer un gaz relativement plus chaud.  At the end of filling the tank 1 can tolerate a relatively hotter gas.

Dans le cas par exemple d'un stockage 2 source contenant de l'hydrogène gazeux à une pression de 700bar et une température de 15°C. Réchauffer ce gaz à jusqu'à 45°C (par exemple à densité constante) permet d'atteindre une pression de 775 bar environ dans le stockage 2.  In the case for example of a storage source 2 containing hydrogen gas at a pressure of 700 bar and a temperature of 15 ° C. Heating this gas up to 45 ° C (for example at constant density) makes it possible to reach a pressure of approximately 775 bar in the storage 2.

L'invention est particulièrement avantageuse dans le cas où un compresseur est utilisé dans la station de remplissage car le besoin d'utiliser le compresseur peut être réduit.  The invention is particularly advantageous in the case where a compressor is used in the filling station because the need to use the compressor can be reduced.

De plus, le réchauffement d'un fluide caloporteur de refroidissement du gaz peut le cas échéant être utilisé pour réchauffer le stockage 2 source.  In addition, the heating of a coolant for cooling the gas can optionally be used to heat the storage 2 source.

Le procédé est particulièrement avantageux pour des remplissages relativement longs c'est-à-dire ayant des durées compris entre dix minutes et soixante minutes. Le procédé peut s'appliquer également à des remplissages rapides (entre deux et dix minutes par exemple).  The method is particularly advantageous for relatively long fills that is to say having durations of between ten minutes and sixty minutes. The method can also be applied to fast fills (between two and ten minutes for example).

La figure 2 illustre schématiquement les effets de l'invention par rapport à l'art antérieur.  Figure 2 schematically illustrates the effects of the invention with respect to the prior art.

Les courbes en trait continu et avec des croix représentent la variation de pression dans le stockage 2 source respectivement sans et avec le réchauffage selon l'invention.  The curves in solid lines and with crosses represent the variation of pressure in the source storage 2 respectively without and with the heating according to the invention.

Les courbes en traits discontinus longs et courts représentent la variation de pression dans le réservoir rempli respectivement sans et avec le réchauffage selon l'invention.  The curves in long and short discontinuous lines represent the pressure variation in the filled tank respectively without and with the reheating according to the invention.

Ainsi, en début de remplissage le gaz du stockage source est refroidi ou aucune action thermique n'est réalisée sur lui. Il peut par exemple avoir été prérefroidi à une température de -30°C par exemple.  Thus, at the beginning of filling the source storage gas is cooled or no thermal action is performed on it. It may for example have been pre-cooled at a temperature of -30 ° C for example.

Le remplissage est amorcé, la pression dans le stockage 2 source décroît et celle dans le réservoir 1 cible croît.  The filling is initiated, the pressure in the source storage 2 decreases and that in the target tank 1 increases.

Lorsque par exemple le différentiel de pression entre les deux contenants est inférieur à un différentiel seuil, par exemple de l'ordre de 100 à 200bar, le réchauffage du gaz dans le stockage 2 source peut être réalisé. Le réchauffage peut consister à atteindre une augmentation de +30°C par rapport à la température initiale, voir par rapport à la température ambiante. Par exemple, dans le cas d'une température ambiante comprise entre -20°c et +40°C, le gaz peut être réchauffé jusqu'à 70°C par exemple. When for example the pressure differential between the two containers is less than a threshold differential, for example of the order of 100 to 200 bar, the Gas heating in the storage 2 source can be realized. The reheating may consist in achieving an increase of + 30 ° C with respect to the initial temperature, see with respect to the ambient temperature. For example, in the case of an ambient temperature between -20 ° C and + 40 ° C, the gas can be heated up to 70 ° C for example.

Les inventeurs sont par ailleurs mis en évidence que la solution décrit ci- dessus peut présenter des avantages en terme de bilan énergétique.  The inventors are furthermore demonstrated that the solution described above can have advantages in terms of energy balance.

En effet, pour un stockage de 0,5m3 de volume ou plus, le réchauffage permet de réduire l'utilisation d'un compresseur. Selon les conditions de l'installation, le bilan économique est positif lorsque la durée d'utilisation d'un compresseur atteint une certaine valeur (par exemple 120 secondes).  Indeed, for a storage volume of 0.5m3 or more, reheating can reduce the use of a compressor. Depending on the conditions of the installation, the economic balance is positive when the duration of use of a compressor reaches a certain value (for example 120 seconds).

Considérons une station de remplissage qui délivre du gaz en sortie de compresseur à une température de 30°C et qui est refroidi en aval à une température de -40°C. Si le gaz dans le stockage 2 source est à 15°C et est réchauffé à une température de 45°C, cela signifie qu'il faut refroidir le gaz de la température de 45°C jusqu'à la température de -40°C. La consommation énergétique du groupe froid est augmentée dans ce cas de 1265kJ.  Consider a filling station that delivers gas at the compressor outlet at a temperature of 30 ° C and is cooled downstream to a temperature of -40 ° C. If the gas in the source storage 2 is at 15 ° C and is heated to a temperature of 45 ° C, this means that the gas must be cooled from the temperature of 45 ° C to the temperature of -40 ° C . The energy consumption of the refrigeration unit is increased in this case by 1265kJ.

Selon l'invention il est possible de réutiliser les calories dissipée au niveau du bloc froid (échangeur 9) pour réchauffer le stockage 2 source.  According to the invention it is possible to reuse the calories dissipated at the cold block (exchanger 9) to heat the storage 2 source.

On peut récupérer par exemple entre 50% et 100% de l'énergie dissipée dans le bloc 9 de refroidissement. De plus d'autres sources de chaleur peuvent être utilisées au sein de la station de remplissage (compresseurs...).  For example, between 50% and 100% of the energy dissipated in the cooling block 9 can be recovered. In addition, other heat sources can be used within the filling station (compressors ...).

Dans des conditions particulières d'un véhicule ayant un réservoir à une pression de 100 bar et un stockage 2 source stockant de l'hydrogène dans un volume de 0,75m3 à une pression de 855 bar, le réchauffage du gaz du stockage 2 source à une température de 55°C permettrait de remplir complètement le réservoir par équilibrage de pression sans utiliser le compresseur, contrairement une solution sans réchauffage.  Under particular conditions of a vehicle having a tank at a pressure of 100 bar and a storage 2 source storing hydrogen in a volume of 0.75m3 at a pressure of 855 bar, the heating of the gas storage 2 source to a temperature of 55 ° C would completely fill the tank by pressure balancing without using the compressor, unlike a solution without reheating.

De manière générale, l'invention permet d'insérer 0,3 kg d'hydrogène en plus par rapport à la solution antérieure sans réchauffage. Ceci correspond à environ 25 à 30 secondes de fonctionnement compresseur économisé.  In general, the invention makes it possible to insert 0.3 kg of hydrogen in addition to the previous solution without reheating. This corresponds to approximately 25 to 30 seconds of compressor operation saved.

Pour augmenter l'économie d'utilisation d'un compresseur, le compresseur pourrait être démarré de façon décalée (pas dès le début du remplissage). Dans des conditions particulières par exemple, le temps utile de fonctionnement du compresseur initialement de 1 ,12 min pourrait être réduit à 0,72 min par exemple. To increase the economy of use of a compressor, the compressor could be started off-line (not from the beginning of filling). In particular conditions, for example, the useful operating time of the compressor initially 1, 12 min could be reduced to 0.72 min for example.

L'invention permet par exemple de réduire la taille et la puissance du compresseur nécessaire.  The invention makes it possible, for example, to reduce the size and the power of the compressor required.

Ainsi, selon les conditions d'utilisation, les gains énergétiques de l'invention sont plus ou moins importants.  Thus, according to the conditions of use, the energetic gains of the invention are more or less important.

Bien entendu, l'invention peut s'appliquer à tout autre type de gaz que l'hydrogène. De plus, l'invention peut s'appliquer à une installation (station) utilisant plusieurs stockages 2 sources raccordés en parallèle et utilisés successivement ou simultanément).  Of course, the invention can be applied to any other type of gas than hydrogen. In addition, the invention can be applied to an installation (station) using several storage sources 2 sources connected in parallel and used successively or simultaneously).

Claims

REVENDICATIONS 1 . Procédé de remplissage d'un réservoir (1 ) d'hydrogène gazeux sous pression à partir d'au moins un stockage (2) source contenant de l'hydrogène gazeux sous pression à une première température déterminée et à une pression déterminée supérieure à la pression dans le réservoir (1 ) à remplir, dans lequel de l'hydrogène est transféré du stockage (2) source vers le réservoir (1 ) par équilibrage de pression via un circuit (3) de remplissage ayant une extrémité amont reliée au stockage (2) source et une extrémité aval reliée au réservoir (1 ), et dans lequel, le au moins un stockage (2) source est en échange thermique avec un organe (6) de réchauffage du gaz stocké dans le stockage (2) source, dans lequel, pendant au moins une partie du transfert d'hydrogène du stockage (2) source vers le réservoir (1 ), le gaz contenu dans le stockage (2) source est réchauffé à une seconde température déterminée qui est supérieure à la première température, caractérisé en ce que, pendant le transfert de l'hydrogène du stockage source (2) vers le réservoir (1 ), lorsque le différentiel de pression entre d'une part le gaz dans le stockage (2) source et, d'autre part, le gaz dans le réservoir (1 ), est inférieur à un premier différentiel déterminé, le gaz contenu dans le stockage (2) source est réchauffé via l'organe (6) de réchauffage. 1. Method for filling a reservoir (1) of gaseous hydrogen under pressure from at least one source storage (2) containing hydrogen gas under pressure at a first predetermined temperature and at a predetermined pressure greater than the pressure in the tank (1) to be filled, in which hydrogen is transferred from the source storage (2) to the tank (1) by pressure equalization via a filling circuit (3) having an upstream end connected to the storage (2). ) source and a downstream end connected to the reservoir (1), and wherein, the at least one storage (2) source is in heat exchange with a member (6) for heating the gas stored in the storage (2) source, in which, during at least a portion of the hydrogen transfer from the source storage (2) to the reservoir (1), the gas contained in the source storage (2) is heated to a determined second temperature which is higher than the first temperature, charac characterized in that, during the transfer of the hydrogen from the source storage (2) to the reservoir (1), when the pressure differential between the gas in the source storage (2) on the one hand and the gas supply on the other hand , the gas in the tank (1) is less than a first differential determined, the gas contained in the storage (2) source is heated via the member (6) reheating. 2. Procédé selon la revendication 1 , caractérisé en ce que le réchauffage du gaz contenu dans le stockage (2) source augmente sa température d'une valeur déterminée comprise entre 10°C à 60°C et de préférence entre 20°C à 40°C.  2. Method according to claim 1, characterized in that the heating of the gas contained in the storage (2) source increases its temperature by a determined value between 10 ° C to 60 ° C and preferably between 20 ° C to 40 ° C ° C. 3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le gaz contenu dans le stockage (2) source est réchauffé uniquement lorsque le différentiel de pression entre d'une part le gaz dans le stockage (2) source et, d'autre part, le gaz dans le réservoir (1 ), est inférieur audit premier différentiel déterminé.  3. Method according to claim 1 or 2, characterized in that the gas contained in the source storage (2) is reheated only when the pressure differential between on the one hand the gas in the storage (2) source and, d ' on the other hand, the gas in the tank (1) is smaller than said first determined differential. 4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le premier différentiel déterminé est compris entre 50 et 250 bar et de préférence compris entre 100 et 200 bar. 4. Method according to any one of claims 1 to 3, characterized in that the first differential determined is between 50 and 250 bar and preferably between 100 and 200 bar. 5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que, pendant le transfert de l'hydrogène du stockage source (2) vers le réservoir (1 ), lorsque le différentiel de pression entre d'une part le gaz dans le stockage (2) source et, d'autre part, le gaz dans le réservoir (1 ), est supérieur à un second différentiel déterminé, le gaz contenu ou soutiré du stockage (2) source est refroidi. 5. Method according to any one of claims 1 to 4, characterized in that, during the transfer of hydrogen from the source storage (2) to the reservoir (1), when the pressure differential between on the one hand the gas in the storage (2) source and, on the other hand, the gas in the tank (1), is greater than a second determined differential, the gas contained or withdrawn from the storage (2) source is cooled. 6. Procédé selon la revendication 5, caractérisé en ce que le refroidissement du gaz contenu dans le stockage (2) source diminue sa température de 10°C à 60°C et de préférence de 20°C à 40°C.  6. Method according to claim 5, characterized in that the cooling of the gas contained in the storage (2) source decreases its temperature from 10 ° C to 60 ° C and preferably from 20 ° C to 40 ° C. 7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le gaz dans le stockage (2) source a une pression initiale avant remplissage et avant réchauffage comprise entre 150 et 950 bar et notamment entre 250 et 850bar.  7. Method according to any one of claims 1 to 6, characterized in that the gas in the storage (2) source has an initial pressure before filling and before reheating between 150 and 950 bar and in particular between 250 and 850 bar. 8. Dispositif de remplissage d'un réservoir (1 ) d'hydrogène gazeux sous pression comprenant au moins un stockage (2) source contenant de l'hydrogène gazeux sous pression à une première température déterminée et à une pression déterminée, un organe (6) de réchauffage du gaz stocké dans le stockage (2) source, un circuit (3) de remplissage ayant une extrémité amont reliée au stockage (2) source et une extrémité aval raccordable de façon amovible au réservoir (1 ) à remplir, au moins un organe (5) de régulation de la pression et/ou du débit de gaz admis à circuler dans le circuit (3) depuis le stockage (2) source vers le réservoir (1 ), un organe (7) électronique d'acquisition, de stockage et de traitement de données relié à l'organe (5) de régulation, relié également à l'organe (6) de réchauffage du gaz stocké dans le stockage (2) source et à un capteur (8) de la pression dans le réservoir (1 ), l'organe (7) électronique d'acquisition, de stockage et de traitement de données étant configuré pour contrôler le débit et/ou la pression du gaz dans le circuit de remplissage, caractérisé en ce que l'organe (7) électronique d'acquisition, de stockage et de traitement de données est configuré pour commander le réchauffage du gaz contenu dans le stockage (2) source à une seconde température déterminée qui est supérieure à la première température pendant au moins une partie du transfert d'hydrogène du stockage (2) source vers le réservoir (1 ) lorsque le différentiel de pression entre d'une part le gaz dans le stockage (2) source et, d'autre part, le gaz dans le réservoir (1 ), est inférieur à un premier différentiel déterminé, le gaz contenu dans le stockage (2) source est réchauffé via l'organe (6) de réchauffage. 8. A device for filling a reservoir (1) of hydrogen gas under pressure comprising at least one storage (2) source containing hydrogen gas under pressure at a first predetermined temperature and at a predetermined pressure, a member (6) ) for heating the gas stored in the source storage (2), a filling circuit (3) having an upstream end connected to the source storage (2) and a downstream end removably connectable to the reservoir (1) to be filled, at least a member (5) for regulating the pressure and / or the flow rate of gas admitted to circulate in the circuit (3) from the source storage (2) to the reservoir (1), an electronic acquisition member (7), storage and data processing device connected to the regulating member (5), also connected to the gas heating member (6) stored in the source storage (2) and to a pressure sensor (8) in the the reservoir (1), the electronic (7) acquisition, storage and t of data processing being configured to control the flow rate and / or gas pressure in the filling circuit, characterized in that the electronic data acquisition, storage and processing device (7) is configured to control heating the gas contained in the source storage (2) to a second predetermined temperature which is greater than the first temperature during at least a portion of the hydrogen transfer from the source storage (2) to the reservoir (1) when the differential pressure between, on the one hand, the gas in the source storage (2) and, on the other hand, the gas in the tank (1), is less than a first determined differential, the gas contained in the storage (2) source is reheated via the reheating member (6). 9. Dispositif de remplissage selon la revendication 8, caractérisé en ce que l'organe (6) de réchauffage comprend un échangeur de chaleur et/ou un circuit de fluide caloporteur en échange thermique avec le réservoir (2) source.  9. Filling device according to claim 8, characterized in that the member (6) for heating comprises a heat exchanger and / or a heat transfer fluid circuit in heat exchange with the reservoir (2) source.
PCT/FR2016/050178 2015-02-04 2016-01-28 Method and device for filling a hydrogen tank Ceased WO2016124838A1 (en)

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JP2017538675A JP6692824B2 (en) 2015-02-04 2016-01-28 Method and device for filling hydrogen tank
CN201680006714.0A CN107208840B (en) 2015-02-04 2016-01-28 Method and apparatus for filling a hydrogen tank
EP16707847.6A EP3254015A1 (en) 2015-02-04 2016-01-28 Method and device for filling a hydrogen tank
US15/548,989 US10451219B2 (en) 2015-02-04 2016-01-28 Method and device for filling a hydrogen tank

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US20180023763A1 (en) 2018-01-25

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